GFS Tanks for Municipal Wastewater Solutions - China Suppliers & Factory with Superior Corrosion Resistance
Description
The Glass fused to steel (GFS) tank is a kind of bolted storage tank made from two materials: glass and steel. High-strength TRS (titanium-rich steel) plates and enamels are perfectly fused at high temperatures to form a highly inert inorganic glaze layer. This coating system has excellent anti-corrosion properties and is the best choice for municipal wastewater treatment project.
Municipal wastewater is a complex mixture characterized by large volume, relatively consistent water quality, good biodegradability, but containing suspended solids, nitrogen and phosphorus, microorganisms, and potentially corrosive gases. GFS bolted tanks have become a classic choice for municipal wastewater storage tanks because their electroplated enamel surface can perfectly solve corrosion, vapor phase corrosion, and coefficient wear simultaneously, and is smooth and not prone to scaling.
Glass fused to steel is a permanent, molecular bond created by fusing a specially formulated silica-based glass enamel to a base sheet of steel at very high temperatures (around 820°C / 1500°F), combines the advantages of both materials -- the strength and flexibility of steel and excellent anti-corrosion properties of glass.
Material Characteristics of Glass-Fused-to-Steel Tanks
Low Carbon, High Strength, High Titanium.
The steel substrate employed in the construction of glass-fused-to-steel tanks is a special high strength enamelled steel with a unique design and superior properties. Its mechanical properties, including yield strength, tensile strength, and elongation, far exceed those of conventional steel sheets.
Specification
| Coating thickness | 250~450um |
| pH range | Standard grade 3~11; Special grade 1~14 |
| Coating process | Standard 2 coats 2 fire; 3 coats 3 fire available |
| Hardness | 6.0 Mohs |
| Elasticity | 500KN/mm |
| Service life | More than 30 years |
Uses of Glass Fused To Steel Tanks
Glass Fused To Steel Tanks are widely used in various industries and serve different purposes in different environments. These tanks are mainly used for:
- Municipal drinking water, sewage treatment, sludge storage, wastewater treatment and anaerobic digestion and biogas.
- Industrial wastewater treatment, storage, anaerobic digestion and biogas, process water storage and bulk solids storage.
- Agricultural slurry storage, on- and off-farm biogas production, storage of livestock feeds such as hay, maize and high-moisture grains, and bulk solids storage.
Features Of Glass Fused To Steel Tanks
⚡Fast installation and short construction period
🛡️Excellent anti-corrosion properties
🏗️Low construction environment requirements
🌡️Strong temperature adaptability
🔗Wide range of applications, seamlessly integrated to form assembled reactors
✨Aesthetically pleasing appearance
🔄Flexible for relocation, expansion and recycling
🔧Simple maintenance and service life in excess of 30 years
Frequently Asked Questions
What is a Glass Fused to Steel (GFS) tank?
A Glass Fused to Steel (GFS) tank is a bolted storage tank constructed by fusing a silica-based glass enamel to high-strength steel sheets at temperatures around 820°C (1500°F). This process creates a permanent molecular bond that combines the structural strength of steel with the superior corrosion resistance of glass.
What are the main advantages of GFS tanks over conventional steel tanks?
GFS tanks offer several key advantages including excellent anti-corrosion performance, resistance to vapor phase corrosion, smooth non-scaling surfaces, strong temperature adaptability, a service life exceeding 30 years, and flexibility for relocation or expansion — all with relatively simple maintenance requirements.
What pH range can GFS tanks handle?
Standard grade GFS tanks are rated for a pH range of 3 to 11. For more demanding applications, special grade tanks are available that can handle a pH range from 1 to 14, making them suitable for highly acidic or alkaline environments.
What industries use Glass Fused to Steel tanks?
GFS tanks are used across a wide range of industries including municipal water and wastewater treatment, industrial wastewater management, agricultural slurry and feed storage, as well as anaerobic digestion and biogas production applications.
How long is the service life of a GFS tank?
With proper maintenance, Glass Fused to Steel tanks have a service life of more than 30 years. The highly durable enamel coating — with a hardness of 6.0 Mohs and a coating thickness of 250–450µm — ensures long-term protection against corrosion and wear.
Can GFS tanks be relocated or expanded after installation?
Yes. One of the significant advantages of bolted GFS tanks is their flexibility. The modular panel-based design allows tanks to be disassembled, relocated, expanded, or reconfigured with minimal effort, making them a cost-effective long-term storage solution.